CN114411834A - Steel connecting beam-double hoop barrel composite component for inter-pile reinforcement and construction method - Google Patents

Steel connecting beam-double hoop barrel composite component for inter-pile reinforcement and construction method Download PDF

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Publication number
CN114411834A
CN114411834A CN202210050676.6A CN202210050676A CN114411834A CN 114411834 A CN114411834 A CN 114411834A CN 202210050676 A CN202210050676 A CN 202210050676A CN 114411834 A CN114411834 A CN 114411834A
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China
Prior art keywords
hoop
barrel
plate
bottom plate
anchor bolt
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CN202210050676.6A
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Chinese (zh)
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CN114411834B (en
Inventor
邱梦瑶
唐亮
刘佳祥
陈宏伟
凌贤长
熊钦武
张婉婷
杨泽洲
胡心雨
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Harbin Institute of Technology
China Railway 22nd Bureau Group Co Ltd
China Railway 17th Bureau Group Co Ltd
Chongqing Research Institute of Harbin Institute of Technology
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Harbin Institute of Technology
China Railway 22nd Bureau Group Co Ltd
China Railway 17th Bureau Group Co Ltd
Chongqing Research Institute of Harbin Institute of Technology
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Application filed by Harbin Institute of Technology, China Railway 22nd Bureau Group Co Ltd, China Railway 17th Bureau Group Co Ltd, Chongqing Research Institute of Harbin Institute of Technology filed Critical Harbin Institute of Technology
Priority to CN202210050676.6A priority Critical patent/CN114411834B/en
Publication of CN114411834A publication Critical patent/CN114411834A/en
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D37/00Repair of damaged foundations or foundation structures
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B3/00Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E02B3/06Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
    • E02B3/068Landing stages for vessels
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00Foundations as substructures
    • E02D27/10Deep foundations
    • E02D27/12Pile foundations
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22Piles
    • E02D5/64Repairing piles

Abstract

A steel coupling beam-double hoop barrel composite component for reinforcing piles and a construction method belong to the technical field of wharf engineering. One side of each of the two ends of the connecting beam is hinged with the corresponding hoop barrel, and the other side of each of the two ends of the connecting beam is detachably and fixedly connected with the corresponding hoop barrel; the two sides of the lower end of the connecting beam are respectively detachably and fixedly connected with the lower ends of the corresponding hoop cylinders; cement mortar is poured between the two ends of the connecting beam and the corresponding hoop cylinders on the outer side of the pile foundation. The construction method comprises the following steps: processing the pile foundation; connecting the connecting beam and the hoop cylinder after prefabricating production; sleeving the hoop cylinders on the outer sides of the corresponding pile foundations respectively, and connecting and fixing the hoop cylinders with the corresponding ends of the connecting beams; connecting and fixing the movable bottom plate and the corresponding hoop barrel; and pouring cement mortar into the hoop barrel. The invention can improve the rigidity, the bearing capacity and the anti-seismic performance of the wharf structure, can reduce the influence on the environment and improve the corrosion resistance and the overall performance of the structure; the construction period can be shortened by about 50 percent.

Description

Steel connecting beam-double hoop barrel composite component for inter-pile reinforcement and construction method
Technical Field
The invention relates to a steel connecting beam-double hoop barrel composite component for reinforcing piles and a construction method, and belongs to the technical field of wharf engineering.
Background
The port and pier project is a hub for waterway traffic and logistics combined transportation. Among them, the pile foundation is an important deep foundation form, and is favored in port construction practical engineering due to its advantages of high bearing capacity, good anti-overturning capability, small settlement, simple construction, wide application range, etc. With the development of time and economic market, the trend of developing large-scale transport ship is obvious, and new requirements on the seismic performance of the structure are provided. And many berths are designed for a long time, so that risk factors and uncertain factors influencing normal use and safe production are increased day by day, and great potential safety hazards are brought to the safety and durability of the old wharf structure.
In order to solve the problems, the large-scale reinforcement and reconstruction are carried out on the coastal wharfs along the river in China. In the existing dock reinforcing and reforming project, structural reforming is a common reforming method. The structural transformation, through the quantity that increases pile foundation, crossbeam promptly, make the overall structure of pier can obtain further promotion. The traditional transformation method usually comprises the steps of dismantling an original structure, constructing a newly-added pile foundation, constructing a newly-built upper structure, reinforcing and repairing a damaged part of the original structure and the like, and has the problems of long engineering period, influence on the normal operation of a wharf and huge capital pressure of an operator.
Disclosure of Invention
In order to solve the problems in the background technology, the invention provides a steel connecting beam-double hoop barrel composite component for reinforcing piles and a construction method.
The invention adopts the following technical scheme: a prefabricated structure for improving the performance of a wharf pile foundation comprises a connecting beam, a hoop barrel and cement mortar; one side of each of the two ends of the connecting beam is hinged with the corresponding hoop barrel, and the other side of each of the two ends of the connecting beam is detachably and fixedly connected with the corresponding hoop barrel; the two sides of the lower end of the connecting beam are respectively detachably and fixedly connected with the lower ends of the corresponding hoop cylinders; cement mortar is poured between the two ends of the connecting beam and the corresponding hoop cylinders on the outer side of the pile foundation.
The invention discloses a construction method of a wharf pile foundation performance improving prefabricated structure, which comprises the following steps:
s1: processing the pile foundation;
s2: connecting the connecting beam and the hoop cylinder after prefabricating production;
s3: sleeving the hoop cylinders on the outer sides of the corresponding pile foundations respectively, and connecting and fixing the hoop cylinders with the corresponding ends of the connecting beams;
s4: connecting and fixing the movable bottom plate and the corresponding hoop barrel;
s5: and pouring cement mortar into the hoop barrel.
Compared with the prior art, the invention has the beneficial effects that:
1. the connecting beam and the hoop barrel are prefabricated steel structures and combined into a composite reinforced and modified structure, so that the rigidity, the bearing capacity and the seismic performance of the wharf structure can be improved, the construction is simple and convenient, the influence on the environment can be reduced, and the pollution is reduced; by adopting an all-welding process, the generation of structural cracks is reduced, and the corrosion resistance and the overall performance of the structure are improved;
2. the invention fully utilizes the original structure system, reduces the damage to the original structure, has relatively flexible transformation points, small construction surface and smaller engineering quantity, reduces the requirement on construction environment, is convenient to construct, can realize quick construction, and can shorten the construction period by about 50 percent;
3. the invention can realize the miniaturization of transportation and erection equipment; the process is simple and safe, the manufacturing cost is low, and the modular production of the structure can be realized; the influence on wharf production and operation is small, and practice proves that the method has a wide application value.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a rear view of FIG. 1;
FIG. 3 is a front view of the coupling beam;
FIG. 4 is a rear view of FIG. 3;
FIG. 5 is a schematic structural view of the hoop drum;
fig. 6 is a schematic view of the connection relationship between the pile foundation and the hoop barrel.
Detailed Description
The technical solutions in the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the invention, rather than all embodiments, and all other embodiments obtained by those skilled in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.
A prefabricated structure for improving the performance of a wharf pile foundation comprises a connecting beam 1, a hoop barrel 2 and cement mortar 210; one side of each of the two ends of the connecting beam 1 is hinged with the corresponding hoop barrel 2 through a hinge, and the other side of each of the two ends of the connecting beam 1 is detachably and fixedly connected with the corresponding hoop barrel 2; the two sides of the lower end of the connecting beam 1 are respectively detachably and fixedly connected with the lower ends of the corresponding hoop cylinders 2; and polymer cement mortar 210 is poured between the two ends of the connecting beam 1 and the corresponding hoop cylinders 2 at the outer side of the pile foundation.
The coupling beam 1 comprises a beam body 101, a U-shaped end plate 102, a movable bottom plate 105 and an end plate shear pin 109; the beam body 101 is formed by welding four inner wall ribbed steel plates, two ends of the beam body 101 are respectively welded with corresponding U-shaped end plates 102, the end part of the beam body 101 is welded with a vertical plate of the corresponding U-shaped end plate 102, and the upper surface and the lower surface of the beam body 101 are respectively welded with a horizontal plate corresponding to the U-shaped end plate 102; every the equal array welding of outer wall of the vertical board of U type end plate 102 is equipped with a plurality of end plate shear bolt nails 109, and every U type end plate 102's lower horizontal plate passes through the hinge with the activity bottom plate 105 that corresponds respectively, every activity bottom plate 105 is the steel sheet, the middle part of the free end of activity bottom plate 105 all be equipped with pile foundation complex mounting groove one, activity bottom plate 105 can dismantle fixed connection with the hoop section of thick bamboo 2 that corresponds.
Each hoop barrel 2 comprises a barrel body 201, a hoop barrel base plate 203 and hoop barrel shear pins 206; the cylinder body 201 is formed by bending a steel plate, one end of the cylinder body 201 is hinged with the corresponding end of the U-shaped end plate 102 through a hinge, and the other end of the cylinder body 201 is detachably and fixedly connected with the corresponding end of the U-shaped end plate 102; the inner wall welding of barrel 201 is equipped with hoop section of thick bamboo bottom plate 203 and the hoop section of thick bamboo shear bolt nail 206 of a plurality of array settings, hoop section of thick bamboo bottom plate 203 is the steel sheet, and the middle part of hoop section of thick bamboo bottom plate 203 inner wall is equipped with pile foundation complex mounting groove two, mounting groove two sets up with the cooperation of mounting groove one, and fixed connection can be dismantled with the activity bottom plate 105 that corresponds to hoop section of thick bamboo bottom plate 203.
The rib plate 103 is welded on one outer side wall of the beam body 101 and one outer side wall of the cylinder 201 for reinforcement, and the rib plate 103 of the beam body 101 and the rib plate 103 of the cylinder 201 are located on the same side.
And the second mounting groove of the hoop barrel base plate 203 and the first mounting groove of the movable base plate 105 are provided with silicon rubber gaskets 110 on the groove surfaces, so that the friction force between the movable base plate 105 and the second mounting groove is increased.
The tip of the vertical board of U type end plate 102 is equipped with a plurality of anchor bolt holes 108 of reserving along its direction of height equipartition, the other end of barrel 201 is equipped with a plurality of anchor bolt holes 205 of reserving along its direction of height equipartition, a plurality of anchor bolt holes 205 of reserving set up with a plurality of anchor bolt holes 108 one-to-one, and the fixed connection can be dismantled through the mode that a plurality of anchor bolt 5 inserted the anchor bolt holes two 205 of reserving and reserved anchor bolt holes 108 of correspondence to the other end of barrel 201 and U type end plate 102.
A first bolt connecting plate 111 is welded at the bottom end of the movable bottom plate 105, and a third reserved anchor bolt hole 112 is formed in the first bolt connecting plate 111 in a thickness direction; the bottom end of the hoop cylinder bottom plate 203 is welded with a second bolt connecting plate 211, the second bolt connecting plate 211 penetrates through the thickness direction of the second bolt connecting plate and is provided with a fourth reserved anchor bolt hole 213, and the hoop cylinder bottom plate 203 and the corresponding movable bottom plate 105 are detachably and fixedly connected in a mode that the second anchor bolts are inserted into the corresponding third reserved anchor bolt holes 112 and the fourth reserved anchor bolt holes 213.
And a sealant 209 is filled between each hoop barrel 2 and the joint gap of the pile foundation, and the sealant 29 is used for filling the gap to facilitate concrete pouring.
The invention discloses a construction method of a wharf pile foundation performance improving prefabricated structure, which comprises the following steps:
s1: processing the surface of the pile foundation reinforcement position, and cleaning the groove if the concrete is corroded;
s2: connecting the connecting beam 1 and the hoop barrel 2 after prefabrication production;
s3: sleeving the hoop cylinders 2 on the outer sides of the corresponding pile foundations respectively, and connecting and fixing the hoop cylinders with the corresponding ends of the connecting beams 1;
s4: connecting and fixing the movable bottom plate 105 with the corresponding hoop barrel 2;
s5: cement mortar 210 is poured into the hoop tube 2, and proper curing is performed.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (9)

1. The utility model provides a consolidate between stake with steel even roof beam-two hoop section of thick bamboo composite member which characterized in that: comprises a connecting beam (1), a hoop cylinder (2) and cement mortar (210); one side of each of the two ends of the connecting beam (1) is hinged with the corresponding hoop barrel (2), and the other side of each of the two ends of the connecting beam (1) is detachably and fixedly connected with the corresponding hoop barrel (2); the two sides of the lower end of the connecting beam (1) are respectively detachably and fixedly connected with the lower ends of the corresponding hoop cylinders (2); cement mortar (210) is poured between the two ends of the connecting beam (1) and the corresponding hoop cylinders (2) at the outer side of the pile foundation.
2. The steel coupling beam-double hoop barrel composite component for reinforcing piles according to claim 1, wherein: the connecting beam (1) comprises a beam body (101), a U-shaped end plate (102), a movable bottom plate (105) and an end plate shear stud (109); the both ends of roof beam body (101) are connected with the U type end plate (102) that correspond respectively, every the outer wall of the vertical board of U type end plate (102) all is equipped with a plurality of end plate shear-resistant pegs (109), and the lower horizontal plate of every U type end plate (102) is articulated with corresponding activity bottom plate (105) respectively, every the free end of activity bottom plate (105) all be equipped with pile foundation complex mounting groove one, fixed connection can be dismantled with the hoop section of thick bamboo (2) that corresponds in activity bottom plate (105).
3. The steel coupling beam-double hoop barrel composite component for reinforcing piles according to claim 2, wherein: each hoop barrel (2) comprises a barrel body (201), a hoop barrel base plate (203) and hoop barrel shear-resisting studs (206); one end of the cylinder body (201) is hinged with the corresponding end of the U-shaped end plate (102), and the other end of the cylinder body (201) is detachably and fixedly connected with the corresponding end of the U-shaped end plate (102); the inner wall of barrel (201) is equipped with hoop section of thick bamboo bottom plate (203) and a plurality of hoop section of thick bamboo shear bolt nail (206), hoop section of thick bamboo bottom plate (203) inner wall is equipped with pile foundation complex mounting groove two, mounting groove two sets up with the cooperation of mounting groove one, and fixed connection can be dismantled with the activity bottom plate (105) that corresponds to hoop section of thick bamboo bottom plate (203).
4. The steel coupling beam-double hoop barrel composite component for reinforcing piles according to claim 3, wherein: ribbed slab (103) are all equipped with on an lateral wall of roof beam body (101) and a lateral wall of barrel (201), and ribbed slab (103) of roof beam body (101) and ribbed slab (103) of barrel (201) are located same side.
5. The steel coupling beam-double hoop barrel composite component for reinforcing piles according to claim 3, wherein: and the groove surfaces of the mounting groove II of the hoop barrel base plate (203) and the mounting groove I of the movable base plate (105) are respectively provided with a silicon rubber gasket (110).
6. The steel coupling beam-double hoop barrel composite member for pile reinforcement according to claim 4 or 5, wherein: the tip of the vertical board of U type end plate (102) is equipped with a plurality of anchor bolt holes of reserving (108), the other end of barrel (201) is equipped with a plurality of anchor bolt hole two (205) of reserving, a plurality of anchor bolt hole two (205) of reserving set up with a plurality of anchor bolt hole one (108) one-to-one, and fixed connection can be dismantled through the mode that a plurality of anchor bolt one (5) inserted the anchor bolt hole two (205) of reserving that correspond and reserve anchor bolt hole (108) to the other end of barrel (201) and U type end plate (102).
7. The steel coupling beam-double hoop barrel composite member for pile reinforcement according to claim 4 or 5, wherein: a first bolt connecting plate (111) is arranged at the bottom end of the movable bottom plate (105), and a third reserved anchoring bolt hole (112) is formed in the first bolt connecting plate (111); the bottom end of the hoop barrel base plate (203) is provided with a bolt connecting plate II (211), the bolt connecting plate II (211) is provided with a reserved anchor bolt hole IV (213), and the hoop barrel base plate (203) is detachably and fixedly connected with the corresponding movable base plate (105) in a mode that a plurality of anchor bolts II are inserted into the corresponding reserved anchor bolt holes III (112) and the reserved anchor bolt holes IV (213).
8. The steel coupling beam-double hoop barrel composite component for reinforcing piles according to claim 1, wherein: and a sealing glue (209) is filled between each hoop barrel (2) and the pile foundation.
9. A construction method of the steel coupling beam-double hoop barrel composite member for inter-pile reinforcement according to any one of claims 2 to 8, characterized in that: the method comprises the following steps:
s1: processing the pile foundation;
s2: connecting the connecting beam (1) and the hoop barrel (2) after prefabrication production;
s3: sleeving the hoop cylinders (2) on the outer sides of the corresponding pile foundations respectively, and connecting and fixing the hoop cylinders with the corresponding ends of the connecting beams (1);
s4: connecting and fixing the movable bottom plate (105) with the corresponding hoop barrel (2);
s5: and pouring cement mortar (210) into the hoop barrel (2).
CN202210050676.6A 2022-01-17 2022-01-17 Steel connecting beam-double hoop barrel composite component for reinforcing piles and construction method Active CN114411834B (en)

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CN202210050676.6A CN114411834B (en) 2022-01-17 2022-01-17 Steel connecting beam-double hoop barrel composite component for reinforcing piles and construction method

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CN114411834B CN114411834B (en) 2023-02-28

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003253756A (en) * 2002-02-27 2003-09-10 Daiwa House Ind Co Ltd Positioning structure for bolted connection of plate to opponent material
CN102966245A (en) * 2012-12-07 2013-03-13 清华大学 Connecting method of steel beam and existing reinforced concrete column
CN103255841A (en) * 2013-05-31 2013-08-21 江苏科技大学 Assembly-type concrete column-steel beam overhanging end plate type node connecting device
CN108166629A (en) * 2018-01-15 2018-06-15 福州大学 A kind of detachable assembling type steel core concrete column-connected mode and its construction method
CN214696130U (en) * 2020-11-24 2021-11-12 上海天华建筑设计有限公司 Concrete column and H-shaped steel beam combined node structure

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003253756A (en) * 2002-02-27 2003-09-10 Daiwa House Ind Co Ltd Positioning structure for bolted connection of plate to opponent material
CN102966245A (en) * 2012-12-07 2013-03-13 清华大学 Connecting method of steel beam and existing reinforced concrete column
CN103255841A (en) * 2013-05-31 2013-08-21 江苏科技大学 Assembly-type concrete column-steel beam overhanging end plate type node connecting device
CN108166629A (en) * 2018-01-15 2018-06-15 福州大学 A kind of detachable assembling type steel core concrete column-connected mode and its construction method
CN214696130U (en) * 2020-11-24 2021-11-12 上海天华建筑设计有限公司 Concrete column and H-shaped steel beam combined node structure

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